20106490900

素因数分解:

$2^2\times 5^2\times {\mathrm{2221}}^1\times {\mathrm{90529}}^1$

素因数の和:92764

約数の個数: 36

約数和(自身を含む): 43651212220

約数和(自身を除く): 23544721320

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2221, 4442, 8884, 11105, 22210, 44420, 55525, 90529, 111050, 181058, 222100, 362116, 452645, 905290, 1810580, 2263225, 4526450, 9052900, 201064909, 402129818, 804259636, 1005324545, 2010649090, 4021298180, 5026622725, 10053245450, 20106490900]

約数ペア:

[(1, 20106490900), (2, 10053245450), (4, 5026622725), (5, 4021298180), (10, 2010649090), (20, 1005324545), (25, 804259636), (50, 402129818), (100, 201064909), (2221, 9052900), (4442, 4526450), (8884, 2263225), (11105, 1810580), (22210, 905290), (44420, 452645), (55525, 362116), (90529, 222100), (111050, 181058)]